205329411

素因数分解:

$3^6\times 7^1\times {\mathrm{40237}}^1$

素因数の和:40262

約数の個数: 28

約数和(自身を含む): 351841072

約数和(自身を除く): 146511661

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 40237, 120711, 281659, 362133, 844977, 1086399, 2534931, 3259197, 7604793, 9777591, 22814379, 29332773, 68443137, 205329411]

約数ペア:

[(1, 205329411), (3, 68443137), (7, 29332773), (9, 22814379), (21, 9777591), (27, 7604793), (63, 3259197), (81, 2534931), (189, 1086399), (243, 844977), (567, 362133), (729, 281659), (1701, 120711), (5103, 40237)]